Made by , and , which could be used for very long time. The 3D printer and pneumatic connector kit is compatible and can meet your multiple needs, practical and useful. The wonderful detail design will ensure its high performance as excellent 3D printer accessory. Features - ColorAssorted Color - Material: Brass, stainless steel, PTFE, silicone. - Size: 7.60X2.60X2.60cm/2.99X1.02X1.02 inch. - High-grade material, flexibility and excellent durability, easy to use, for . - Wonderful detail design and good craftsmanship will ensure its durability and practicality. - The pneumatic connector adopts advanced processing technology to make the printing model more smooth and delicate. - The sturdy PTFE hose is easy to use and install, great and useful 3D printer accessory. - It is lightweight, easy and convenient to use and store when not in use without any effort. Package list: 2 x Brass Nozzles (0.4mm) 2 x PC4-10mm Black Caps Pneumatic Connectors 2 x PC4-6mm White caps Pneumatic Connector 1 x PTFE Tube 4 x Protective Cases 4 x Cleaning Needles 1 x Clean Needle Tube